diff --git a/tests/__init__.py b/tests/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/tests/data/__init__.py b/tests/data/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/tests/historical/__init__.py b/tests/historical/__init__.py new file mode 100644 index 0000000..e69de29